sh: remove unused DMA device pointer from SIU platform data

The SIU ALSA driver is not using the DMA device pointer for DMA channel
filtering any more, it can be now removed.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>

arch/sh/include/asm/siu.h

@@ -14,7 +14,6 @@
 struct device;
 
 struct siu_platform {
-	struct device *dma_dev;
 	unsigned int dma_slave_tx_a;
 	unsigned int dma_slave_rx_a;
 	unsigned int dma_slave_tx_b;

arch/sh/kernel/cpu/sh4a/setup-sh7722.c

@@ -512,7 +512,6 @@ static struct platform_device tmu2_device = {
 };
 
 static struct siu_platform siu_platform_data = {
-	.dma_dev	= &dma_device.dev,
 	.dma_slave_tx_a	= SHDMA_SLAVE_SIUA_TX,
 	.dma_slave_rx_a	= SHDMA_SLAVE_SIUA_RX,
 	.dma_slave_tx_b	= SHDMA_SLAVE_SIUB_TX,